Home / 28,337.16-39,105.27-15,590.06

Finding the Fourth Proportional to 28,337.16, 39,105.27 and 15,590.06

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Solution

The fourth proportional to 28,337.16, 39,105.27 and 15,590.06 is: 21,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.16 : 39,105.27 = 15,590.06 : x
  2. Step 2: Convert to fraction form
    28,337.16/39,105.27 = 15,590.06/x
  3. Step 3: Cross multiply
    28,337.16x = 39,105.27 × 15,590.06
  4. Step 4: Simplify right side
    28,337.16x = 609,653,676.70
  5. Step 5: Solve for x
    x = 609,653,676.70/28,337.16
  6. Step 6: Final answer
    x = 21,514.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.